Home / 189,345.69-261,320.18-108,773.04

Finding the Fourth Proportional to 189,345.69, 261,320.18 and 108,773.04

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Solution

The fourth proportional to 189,345.69, 261,320.18 and 108,773.04 is: 150,120.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,345.69 : 261,320.18 = 108,773.04 : x
  2. Step 2: Convert to fraction form
    189,345.69/261,320.18 = 108,773.04/x
  3. Step 3: Cross multiply
    189,345.69x = 261,320.18 × 108,773.04
  4. Step 4: Simplify right side
    189,345.69x = 28,424,589,848.08
  5. Step 5: Solve for x
    x = 28,424,589,848.08/189,345.69
  6. Step 6: Final answer
    x = 150,120.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.